Unhandled Promise Rejection when reopening Mux

[blinkagent]

Description

When attempting to reopen Mux, an "Unhandled Promise Rejection" error occurs with the message:

Attempted to register a second handler for 'update:check'

Stack Trace

Error: Attempted to register a second handler for 'update:check'
at IpcMainImpl.handle (node:electron/js2c/browser_init:2:109601)
at createWindow (/Applications/mux.app/Contents/Resources/app.asar/src/desktop/main.ts:384:19)
at /Applications/mux.app/Contents/Resources/app.asar/src/desktop/main.ts:559:9

Steps to Reproduce

1. Open Mux
2. Close Mux
3. Attempt to reopen Mux
4. Error dialog appears
5. Application becomes unresponsive/stuck

Workaround

Force quitting the application resolves the issue temporarily.

Screenshots

Environment

• Application: Mux
• Issue occurs when reopening the application